quality of certified level

• 保证质量

quality of certified level的用法和样例：

例句

1. We can guarantee that the quality is no inferior to that of tin.
   我们可以保证质量不比听装差。
2. We gurantee the quality of the product we sell in our store.
   我们对本店卖出的商品保证质量。
3. Our products are always as good as the samples we send .I can promise there will be not debasement of quality.
   我们的产品一定和送给你们的样品一样好，我保证品质绝对不会降低。
4. Shuanghui can provide a large number of various fresh meat products to ensure quality, a large quantity of Cong.
   可大量提供双汇各种生鲜肉制品，保证品质，量大从优。
5. He is a musician of the first chop.
   他是第一流品级的音乐家。
6. We must try to upgrade our cattle to the required standard of meat.
   我们必须努力提高牛的品级，使之达到所要求的食用肉标准。